1. Condition: Well-preserved and uncirculated bills will generally command higher prices than those that are heavily worn or damaged.
2. Rarity: Consecutive series notes may be less common than standard issues, which can add a bit to their value. However, 1976 $2 bills are not exceptionally rare overall.
3. Serial Numbers: Bills with attractive or repeating serial numbers may appeal to certain collectors and fetch a higher price.
4. Error Notes: If the consecutive series notes have any printing errors or distinctive characteristics, they may be considered more valuable by some collectors.
Without any additional significant features, the value of consecutive series 1976 US $2 bills is likely to be modest, typically in the range of a few dollars over the face value. Serious collectors or numismatic experts may be able to provide a more precise valuation based on the specific condition and attributes of the bills.